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aplay play small file no sound

Question asked by 贻才 林 on May 27, 2019

Hi, friend

when the wave file is greate than 2KB , "aplay xxx.wav" play ok.

But when the file is about 180B , it has played nothing.

I think the reason it is  too small to hardware buffer , how can I settle the hardware buffer?

Or the other ways to resolve?

The platform is imx6d based on linux 4.1.15-2.0.0.